Merge pull request #7 from diwu1989/master

Spelling mistakes and trimming leftover whitespace
Bump version.
add initial connection error handler for when connection can't even be created
including connection error test and checking for callback
Updated compiled js files
Bump version.
Use native Buffer function for reading and writing integers.
Updated package.json

- Bump version
- Drop support for old node versions (<= 0.6).
- Bump dependency versions.
Use --bare compilation.
Merge pull request #10 from wvanbergen/v0.4

Code cleanup for v0.4
Fix cakefile.